Massac County RainfallUnited StatesILMassac County60%Metropolis 60% Chance 60%Brookport 60% Chance 60%Mermet Lake 60% Chance Big BayBoazBrookportCretaceous Hills Nature PreserveFort Massac State ParkHillermanJoppaMassac Forest Nature PreserveMermetMermet LakeMetropolisMetropolis Municipal AirportNew ColumbiaRound KnobSamothShady GroveUnionville